<template>
  <div class="app-container">
    <div class="filter-container">
      <el-button
        size="small"
        class="filter-item"
        type="primary"
        icon="el-icon-plus"
        @click="add"
      >
        新增
      </el-button>
    </div>

    <el-table
      ref="tree"
      v-loading="listLoading"
      element-loading-text="Loading"
      border
      fit
      height="100%"
      class="table-container"
      highlight-current-row
      :data="list"
      row-key="id"
      default-expand-all
      :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
    >
      <el-table-column
        fixed
        label="ID"
        width="120"
      >
        <template slot-scope="scope">{{ scope.row.id }}</template>
      </el-table-column>
      <el-table-column
        label="权限名称"
      >
        <template slot-scope="scope">{{ scope.row.display_name }}</template>
      </el-table-column>
      <el-table-column
        label="权限标识"
      >
        <template slot-scope="scope">{{ scope.row.name }}</template>
      </el-table-column>
      <el-table-column
        label="权限路径"
      >
        <template slot-scope="scope">{{ scope.row.effect_uri }}</template>
      </el-table-column>
      <el-table-column
        label="权限路径"
      >
        <template slot-scope="scope">{{ scope.row.description }}</template>
      </el-table-column>
      <el-table-column
        fixed="right"
        align="center"
        label="操作"
        width="270"
      >
        <template slot-scope="scope">
          <el-button-group>
            <el-button
              type="primary"
              icon="el-icon-plus"
              size="mini"
              @click="append(scope)"
            >
              新增
            </el-button>
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="edit(scope)"
            >
              修改
            </el-button>
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="del(scope)"
            >
              删除
            </el-button>
          </el-button-group>
        </template>
      </el-table-column>
    </el-table>
    <el-dialog
      :visible.sync="dialogVisibleAppend"
      :title="'新增'"
    >
      <el-form
        ref="dataForm"
        :model="tempp"
        label-width="120px"
        label-position="right"
      >
        <el-form-item label="权限名称">
          <el-input v-model="tempp.display_name" placeholder="权限名称" />
        </el-form-item>
        <el-form-item label="权限标识">
          <el-input v-model="tempp.name" placeholder="权限标识">
            <template v-if="temp.name" slot="prepend">{{ temp.name }}_</template>
          </el-input>
        </el-form-item>
        <el-form-item label="作用路由">
          <el-input v-model="tempp.effect_uri" type="textarea" placeholder="作用路由" />
        </el-form-item>
        <el-form-item label="备注">
          <el-input v-model="tempp.description" type="textarea" placeholder="备注" />
        </el-form-item>
      </el-form>
      <div class="text-right">
        <el-button type="danger" @click="dialogVisibleAppend = false">
          取消
        </el-button>
        <el-button type="primary" @click="submit">
          确定
        </el-button>
      </div>
    </el-dialog>

    <el-dialog
      :visible.sync="dialogVisible"
      :title="'编辑'"
    >
      <el-form
        ref="dataForm"
        :model="temp"
        label-width="120px"
        label-position="right"
      >
        <el-form-item label="权限名称">
          <el-input v-model="temp.display_name" placeholder="权限名称" />
        </el-form-item>
        <el-form-item label="权限标识">
          <el-input v-model="temp.name" placeholder="权限标识" />
        </el-form-item>
        <el-form-item label="作用路由">
          <el-input v-model="temp.effect_uri" type="textarea" placeholder="作用路由" />
        </el-form-item>
        <el-form-item label="备注">
          <el-input v-model="temp.description" type="textarea" placeholder="备注" />
        </el-form-item>
      </el-form>
      <div class="text-right">
        <el-button type="danger" @click="dialogVisible = false">
          取消
        </el-button>
        <el-button type="primary" @click="submit">
          确定
        </el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { getList, store, del } from '@/api/permission'
import { deepClone } from '@/utils'

const _temp = {
  id: '',
  parent_id: 0,
  effect_uri: '',
  name: '',
  display_name: '',
  description: ''
}
const _tempp = {
  display_name: '',
  name: '',
  effect_uri: '',
  parent_id: 0,
  description: ''
}

export default {
  data() {
    return {
      filterText: '',
      list: [],
      // parents: [],
      defaultProps: {
        children: 'children',
        label: 'title'
      },
      listLoading: true,
      temp: Object.assign({}, _temp),
      dialogVisible: false,
      dialogVisibleAppend: false,
      dialogType: 'create',
      tempp: Object.assign({}, _tempp),
      name: '',
      loading: false
    }
  },
  created() {
    this.fetchData()
  },
  methods: {
    fetchData() {
      this.listLoading = true
      getList().then(response => {
        this.list = response.data.list
        this.listLoading = false
      })
    },
    resetTemp() {
      this.name = ''
      this.temp = Object.assign({}, _temp)
    },
    add() {
      this.resetTemp()
      this.dialogVisibleAppend = true
      this.dialogType = 'create'
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })
    },
    append(scope) {
      this.resetTemp()
      this.dialogVisibleAppend = true
      this.dialogType = 'append'
      this.temp = deepClone(scope.row)
      this.name = this.temp.name
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })
    },
    edit(scope) {
      this.resetTemp()
      this.dialogVisible = true
      this.dialogType = 'modify'
      this.temp = deepClone(scope.row)
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })
    },
    del(scope) {
      this.$confirm('确认删除该条数据吗？', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        del({ id: scope.row.id }).then(response => {
          setTimeout(() => {
            this.fetchData()
            this.$message({
              message: '删除成功',
              type: 'success'
            })
          }, 300)
        })
      })
    },
    submit() {
      if (this.loading) {
        return
      }
      let obj
      if (this.dialogVisible) {
        obj = this.temp
      } else {
        this.tempp.parent_id = this.temp.id ? this.temp.id : 0
        if (this.name) {
          this.tempp.name = this.name + '_' + this.tempp.name
        }
        obj = this.tempp
      }
      this.loading = true
      store(obj).then(response => {
        setTimeout(() => {
          this.fetchData()
          this.$message({
            message: '提交成功',
            type: 'success'
          })
          this.dialogVisibleAppend = false
          this.dialogVisible = false
          this.loading = false
        }, 300)
      })
    }
  }
}
</script>
